IP Library Granted Patent US 7,067,289
Granted Patent B1
US 7,067,289 · App. 09/665,617 · Granted Jun 27, 2006

Method for producing histidine by fermentation with

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,067,289
App. No.
09/665,617
Granted
Jun 27, 2006
Kind
B1
Abstract

The present invention provides a method for producing an amino acid selected from the group consisting of L-alanine, L-valine, L-leucine, L-isoleucine, L-methionine, L-phenylalanine, L-proline, glycine, L-serine, L-threonine, L-cysteine, L-tyrosine, L-asparagine, L-glutamine, L-lysine, L-histidine, L-arginine, L-aspartic acid and L-glutamic acid and useful as medicament, chemical agent, food material and feed additive at high industrial efficiency, the method comprising culturing a microorganism having an ability to produce the amino acid and having resistance to an aminoquinoline derivative in a medium, producing and accumulating the amino acid in the present invention in the culture, and recovering the amino acid from the culture.

Claims (4)

1. A method for producing L-histidine which comprises:

(a) culturing Escherichia coli H-9341 (FERM BP-6674) in a culture medium;

(b) producing and accumulating L-histidine in the culture medium; and

(c) recovering L-histidine from the culture medium.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 17, 2009
From: KYOWA HAKKO KOGYO CO., LTD.
To: KYOWA HAKKO BIO CO., LTD.
Reel/Frame 022399/0602 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2000
From: KINO, KUNIKI; ABE, TETSUYA
To: KYOWA HAKKO KOGY CO., LTD
Reel/Frame 011223/0490 →